Home / 196,012.17-270,481.55-111,142.89

Finding the Fourth Proportional to 196,012.17, 270,481.55 and 111,142.89

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Solution

The fourth proportional to 196,012.17, 270,481.55 and 111,142.89 is: 153,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,012.17 : 270,481.55 = 111,142.89 : x
  2. Step 2: Convert to fraction form
    196,012.17/270,481.55 = 111,142.89/x
  3. Step 3: Cross multiply
    196,012.17x = 270,481.55 × 111,142.89
  4. Step 4: Simplify right side
    196,012.17x = 30,062,100,602.97
  5. Step 5: Solve for x
    x = 30,062,100,602.97/196,012.17
  6. Step 6: Final answer
    x = 153,368.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.